Teen Teen (틴틴) was a South Korean boy band formed by Maroo Entertainment in 2019.
[1] The group debuted on September 18, 2019, with Very, On Top.
[2] The unit effectively disbanded following Taeseung's departure from GHOST9.
Before debut, all members participated in Produce X 101 representing Maroo Entertainment, Lee Jin-woo finished in 22nd place, Lee Woo-jin in 41st and Lee Tae-seung in 53rd.
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